Test WRC+addrra+addrrr+A

PPC WRC+addrra+addrrr+A
"RfeAR DpAddrdWRA RfeAR DpAddrdRRR FreRA"
Cycle=RfeAR DpAddrdWRA RfeAR DpAddrdRRR FreRA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAR DpAddrdWRA RfeAR DpAddrdRRR FreRA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y; 1:r7=ok;
2:r2=y; 2:r5=x;
}
 P0               | P1               | P2             ;
 li r1,1          | lwarx r1,r0,r2   | lwarx r1,r0,r2 ;
 lwarx %sta,r0,r2 | xor r3,r1,r1     | xor r3,r1,r1   ;
 stwcx. r1,r0,r2  | li r4,1          | lwarx r4,r3,r5 ;
 bne  Fail0       | lwarx %sta,r3,r5 |                ;
 b   Exit0        | stwcx. r4,r3,r5  |                ;
 Fail0:           | bne  Fail1       |                ;
 li r3,0          | b   Exit1        |                ;
 stw r3,0(r4)     | Fail1:           |                ;
 Exit0:           | li r6,0          |                ;
                  | stw r6,0(r7)     |                ;
                  | Exit1:           |                ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=0)